Fastener



FIG. 1 is a front elevational view of a slider for slide fastener showing my new design.

FIG. 2 is a rear elevational view;

FIG. 3 is a top plan view;

FIG. 4 is a bottom plan view;

FIG. 5 is a right side elevational view; and

FIG. 6 is a cross-sectional view taken on line 6--6. 

The ornamental design for a slider for slide fasteners, as shown and described. 